# 快樂小天使圖書系列3 vs Sagebooks App

The clearest difference is update cadence: 快樂小天使圖書系列3 at monthly against Sagebooks App's every 4 months. 快樂小天使圖書系列3 also leads on iOS requirement (10.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

快樂小天使圖書系列3 ships an update monthly, Sagebooks App every 4 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 快樂小天使圖書系列3 | Sagebooks App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (6 ratings)](https://appshunter.io/ios/app/sagebooks-app/id1626985237/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | — | Free |
| Size | 63 MB | 52 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [POPULAR E-LEARNING (H.K.) LIMITED](https://appshunter.io/developer/518263638) | [Sage Foundation Intellect Ltd.](https://appshunter.io/developer/417439863) |

## What reviewers say

### 快樂小天使圖書系列3

[App page](https://appshunter.io/ios/app/3-6/id1451039973)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sagebooks App

[App page](https://appshunter.io/ios/app/sagebooks-app/id1626985237)

This app supports children in learning Chinese through interactive lessons and progress tracking. It offers features like daily recording, customizable study schedules, and motivational rewards to encourage consistent learning and build confidence.

**Highlights:** Parent account for multiple children, Daily recording of drawing, writing, reading, Customizable study schedules, Progress tracking and completion date estimation, Audio playback and sentence repetition, Milestone rewards and certificates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 快樂小天使圖書系列3 free?

快樂小天使圖書系列3 is free to download, with no in-app purchases.

### Is Sagebooks App free?

Sagebooks App is free to download, with no in-app purchases.

### Do 快樂小天使圖書系列3 or Sagebooks App have ads?

Neither 快樂小天使圖書系列3 nor Sagebooks App shows ads.

### Which is updated more often, 快樂小天使圖書系列3 or Sagebooks App?

快樂小天使圖書系列3 ships an update monthly, and Sagebooks App every 4 months. Most recently, 快樂小天使圖書系列3 was updated on October 26, 2026 and Sagebooks App on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*